Home / 741,774.95-1,023,649.43-402,243.47

Finding the Fourth Proportional to 741,774.95, 1,023,649.43 and 402,243.47

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Solution

The fourth proportional to 741,774.95, 1,023,649.43 and 402,243.47 is: 555,095.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,774.95 : 1,023,649.43 = 402,243.47 : x
  2. Step 2: Convert to fraction form
    741,774.95/1,023,649.43 = 402,243.47/x
  3. Step 3: Cross multiply
    741,774.95x = 1,023,649.43 × 402,243.47
  4. Step 4: Simplify right side
    741,774.95x = 411,756,291,657.26
  5. Step 5: Solve for x
    x = 411,756,291,657.26/741,774.95
  6. Step 6: Final answer
    x = 555,095.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.